linux-kernel - Re: [PATCH blktests v3 3/3] nvme: introduce nvmet_target

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Message-ID: <b79c0c9d-3930-4dbf-a1cf-8ca9e00af614@acm.org>
Date:   Fri, 25 Aug 2023 06:45:25 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Shinichiro Kawasaki <shinichiro.kawasaki@....com>,
        Daniel Wagner <dwagner@...e.de>
Cc:     "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Hannes Reinecke <hare@...e.de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH blktests v3 3/3] nvme: introduce
 nvmet_target_{setup/cleanup} common code

On 8/25/23 00:34, Shinichiro Kawasaki wrote:
> Recently, you actively cleans up tests/nvme/* (which is great!), and introduced
> argument parsers in test/nvme/rc. The first one is _nvme_connect_subsys, and the
> second one is this _nvme_target_setup. It looks for me this is a bash coding
> style change in blktests, from "don't use optional arguments often" to "use
> optional arguments aggressively". If we apply this change, we should suppress
> SC2119. If we keep the old coding style, we should keep on enabling SC2119. What
> I see here is the style difference between you and Bart.
> 
> Now I'm tempted to disable SC2119, and to go with the new coding style...
> 
> If I have any misunderstanding, or if anyone has more comments on this, please
> let me know.

I don't like the "new style". What is so hard about typing "$@" to pass all function
arguments to _nvmet_target_setup()? Leaving out "$@" makes it much harder than
necessary to figure out the intent of the code author - not passing any arguments
or passing all caller arguments implicitly.

Bart.